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2-Amino-5-fluoropyrimidine

Also known as: 5-Fluoro-2-pyrimidinamine, 5-Fluoropyrimidin-2-amine, 2-Pyrimidinamine,5-fluoro- (9CI), 2-Pyrimidinamine, 5-fluoro-

2-Amino-5-fluoropyrimidine (CAS 1683-85-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4FN3 and a molecular weight of 113.093 g/mol. Key properties include a melting point of 192-193℃, a boiling point of 279.7±32.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 122.9±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1683-85-8
Jingsj CID
J-1492820-2
Molecular Formula
C4H4FN3
Molecular Weight
113.093 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point192-193℃
Boiling Point279.7±32.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point122.9±25.1 °C
Exact Mass113.038925
PSA51.80000
LogP0.06
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.561

Frequently Asked Questions

What is the CAS number of 2-Amino-5-fluoropyrimidine?

The CAS number of 2-Amino-5-fluoropyrimidine is 1683-85-8.

What are the molecular formula and molecular weight of 2-Amino-5-fluoropyrimidine?

2-Amino-5-fluoropyrimidine has molecular formula C4H4FN3 and molecular weight 113.093 g/mol.

What are the upstream and downstream products of 2-Amino-5-fluoropyrimidine?

For 2-Amino-5-fluoropyrimidine, Upstream Products: 2-Chloro-5-fluoropyrimidine, Guanidine hydrochloride, Diethylamine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-Amino-5-fluoropyrimidine (CAS 1683-85-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492820-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.